Granted Patent
Utility
US 4,605,471 · App. 06/749,594
Method of manufacturing printed circuit boards
Inventor:
Curt E. Mitchell
Patented Case
View Patent ↗
Granted: Aug 12, 1986
Filed: Jun 27, 1985
Inventor
Curt E. Mitchell
Assignee (at issue)
NCR Corporation
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.